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billing.go
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billing.go
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// Copyright 2022-2023 Tigris Data, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package v1
import (
"context"
"net/http"
"github.com/fullstorydev/grpchan/inprocgrpc"
"github.com/go-chi/chi/v5"
"github.com/google/uuid"
"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
"github.com/rs/zerolog/log"
api "github.com/tigrisdata/tigris/api/server/v1"
"github.com/tigrisdata/tigris/errors"
"github.com/tigrisdata/tigris/server/metadata"
"github.com/tigrisdata/tigris/server/request"
"github.com/tigrisdata/tigris/server/services/v1/billing"
"google.golang.org/grpc"
)
const (
billingPathPattern = apiPathPrefix + "/billing/*"
)
type billingService struct {
api.UnimplementedBillingServer
billing.Provider
nsMgr metadata.NamespaceMetadataMgr
}
func newBillingService(b billing.Provider, nsMgr metadata.NamespaceMetadataMgr) *billingService {
return &billingService{
Provider: b,
nsMgr: nsMgr,
}
}
func (b *billingService) ListInvoices(ctx context.Context, req *api.ListInvoicesRequest) (*api.ListInvoicesResponse, error) {
namespace, err := request.GetNamespace(ctx)
if err != nil {
return nil, err
}
mId, err := b.getMetronomeId(ctx, namespace)
if err != nil {
return nil, err
}
if inv := req.GetInvoiceId(); len(inv) > 0 {
return b.Provider.GetInvoiceById(ctx, mId, req.GetInvoiceId())
}
return b.GetInvoices(ctx, mId, req)
}
func (b *billingService) GetUsage(ctx context.Context, req *api.GetUsageRequest) (*api.GetUsageResponse, error) {
namespace, err := request.GetNamespace(ctx)
if err != nil {
return nil, err
}
if req.GetStartTime() == nil {
return nil, errors.InvalidArgument("start_time is required")
}
if req.GetEndTime() == nil {
return nil, errors.InvalidArgument("end_time is required")
}
mId, err := b.getMetronomeId(ctx, namespace)
if err != nil {
return nil, err
}
ur := &billing.UsageRequest{
BillableMetric: &req.Metrics,
NextPage: req.NextPage,
}
st, et := req.GetStartTime().AsTime(), req.GetEndTime().AsTime()
ur.StartTime, ur.EndTime = &st, &et
switch req.GetAggregateBy() {
case api.AggregationWindow_DAY:
ur.AggWindow = billing.Day
default:
ur.AggWindow = billing.Hour
}
return b.Provider.GetUsage(ctx, mId, ur)
}
func (b *billingService) getMetronomeId(ctx context.Context, namespaceId string) (billing.AccountId, error) {
nsMeta := b.nsMgr.GetNamespaceMetadata(ctx, namespaceId)
if nsMeta == nil {
log.Warn().Msgf("Could not find namespace, this must not happen with right authn/authz configured")
return uuid.Nil, errors.NotFound("Namespace %s not found", namespaceId)
}
if nsMeta.Accounts == nil {
nsMeta.Accounts = &metadata.AccountIntegrations{}
}
mIdStr, enabled := nsMeta.Accounts.GetMetronomeId()
if !enabled || len(mIdStr) == 0 {
log.Error().Msgf("No metronome account for the namespace: %s", namespaceId)
return uuid.Nil, errors.Internal("No account linked for the user")
}
mId, err := uuid.Parse(mIdStr)
if err != nil {
return uuid.Nil, err
}
return mId, nil
}
func (b *billingService) RegisterHTTP(router chi.Router, inproc *inprocgrpc.Channel) error {
mux := runtime.NewServeMux(
runtime.WithMarshalerOption(runtime.MIMEWildcard, &api.CustomMarshaler{JSONBuiltin: &runtime.JSONBuiltin{}}),
)
if err := api.RegisterBillingHandlerClient(context.TODO(), mux, api.NewBillingClient(inproc)); err != nil {
return err
}
api.RegisterBillingServer(inproc, b)
router.HandleFunc(billingPathPattern, func(w http.ResponseWriter, r *http.Request) {
mux.ServeHTTP(w, r)
})
return nil
}
func (b *billingService) RegisterGRPC(grpc *grpc.Server) error {
api.RegisterBillingServer(grpc, b)
return nil
}